Everflow PCBL3818-5 Steel, Pre Cut Industrial Pipe Schedule 40 Threaded Fitting, 3/8 in x 18 in, Black (Pack of 5) PIPE TYPE: black pipe 1/2" x 6 feet, male (NPT) National Pipe thread taper made of superior rough coating steel for commercial and residential application PIPE SPECS: black coated schedule 40, 150 PSI PIPE FUNCTION: Used for indoor in low pressure plumbing applications such as water, oil, natural gas, LP, steam and air HIGH QUALITY: durable pipe steel materials manufactured using advanced technology RATING APPROVALS: meets ASTM standards and ANSI technical specification DECORATIVE USES: pipes can be used for decorative purposes for industrial feel in room dcor, furniture, shelves and accessories.